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IStorage: rename access check helpers

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This commit is contained in:
Michael Scire 2020-12-05 03:15:48 -08:00
parent bf55776241
commit 7548940efa
7 changed files with 36 additions and 36 deletions
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12
libraries/libstratosphere/include/stratosphere/fs/fs_istorage.hpp
View file

@ -40,25 +40,25 @@ namespace ams::fs {
return this->OperateRange(nullptr, 0, op_id, offset, size, nullptr, 0);
}
public:
static inline bool IsRangeValid(s64 offset, s64 size, s64 total_size) {
static inline bool CheckAccessRange(s64 offset, s64 size, s64 total_size) {
return offset >= 0 &&
size >= 0 &&
size <= total_size &&
offset <= (total_size - size);
}
static inline bool IsRangeValid(s64 offset, size_t size, s64 total_size) {
return IsRangeValid(offset, static_cast<s64>(size), total_size);
static inline bool CheckAccessRange(s64 offset, size_t size, s64 total_size) {
return CheckAccessRange(offset, static_cast<s64>(size), total_size);
}
static inline bool IsOffsetAndSizeValid(s64 offset, s64 size) {
static inline bool CheckOffsetAndSize(s64 offset, s64 size) {
return offset >= 0 &&
size >= 0 &&
offset <= (offset + size);
}
static inline bool IsOffsetAndSizeValid(s64 offset, size_t size) {
return IsOffsetAndSizeValid(offset, static_cast<s64>(size));
static inline bool CheckOffsetAndSize(s64 offset, size_t size) {
return CheckOffsetAndSize(offset, static_cast<s64>(size));
}
};

8
libraries/libstratosphere/include/stratosphere/fs/fs_memory_storage.hpp
View file

@ -32,8 +32,8 @@ namespace ams::fs {
R_SUCCEED_IF(size == 0);
/* Validate arguments. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::CheckAccessRange(offset, size, this->size), fs::ResultOutOfRange());
/* Copy from memory. */
std::memcpy(buffer, this->buf + offset, size);
@ -45,8 +45,8 @@ namespace ams::fs {
R_SUCCEED_IF(size == 0);
/* Validate arguments. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::CheckAccessRange(offset, size, this->size), fs::ResultOutOfRange());
/* Copy to memory. */
std::memcpy(this->buf + offset, buffer, size);

16
libraries/libstratosphere/include/stratosphere/fs/fs_substorage.hpp
View file

@ -77,8 +77,8 @@ namespace ams::fs {
/* Validate arguments and read. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::CheckAccessRange(offset, size, this->size), fs::ResultOutOfRange());
return this->base_storage->Read(this->offset + offset, buffer, size);
}
@ -90,8 +90,8 @@ namespace ams::fs {
R_SUCCEED_IF(size == 0);
/* Validate arguments and write. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::CheckAccessRange(offset, size, this->size), fs::ResultOutOfRange());
return this->base_storage->Write(this->offset + offset, buffer, size);
}
@ -102,9 +102,9 @@ namespace ams::fs {
virtual Result SetSize(s64 size) override {
/* Ensure we're initialized and validate arguments. */
R_UNLESS(this->IsValid(), fs::ResultNotInitialized());
R_UNLESS(this->resizable, fs::ResultUnsupportedOperationInSubStorageA());
R_UNLESS(IStorage::IsOffsetAndSizeValid(this->offset, size), fs::ResultInvalidSize());
R_UNLESS(this->IsValid(), fs::ResultNotInitialized());
R_UNLESS(this->resizable, fs::ResultUnsupportedOperationInSubStorageA());
R_UNLESS(IStorage::CheckOffsetAndSize(this->offset, size), fs::ResultInvalidSize());
/* Ensure that we're allowed to set size. */
s64 cur_size;
@ -134,7 +134,7 @@ namespace ams::fs {
R_SUCCEED_IF(size == 0);
/* Validate arguments and operate. */
R_UNLESS(IStorage::IsOffsetAndSizeValid(offset, size), fs::ResultOutOfRange());
R_UNLESS(IStorage::CheckOffsetAndSize(offset, size), fs::ResultOutOfRange());
return this->base_storage->OperateRange(dst, dst_size, op_id, this->offset + offset, size, src, src_size);
}

16
libraries/libstratosphere/include/stratosphere/fssystem/fssystem_alignment_matching_storage.hpp
View file

@ -61,7 +61,7 @@ namespace ams::fssystem {
s64 bs_size = 0;
R_TRY(this->GetSize(std::addressof(bs_size)));
R_UNLESS(fs::IStorage::IsRangeValid(offset, size, bs_size), fs::ResultOutOfRange());
R_UNLESS(fs::IStorage::CheckAccessRange(offset, size, bs_size), fs::ResultOutOfRange());
return AlignmentMatchingStorageImpl::Read(this->base_storage, work_buf, sizeof(work_buf), DataAlign, BufferAlign, offset, static_cast<char *>(buffer), size);
}
@ -79,7 +79,7 @@ namespace ams::fssystem {
s64 bs_size = 0;
R_TRY(this->GetSize(std::addressof(bs_size)));
R_UNLESS(fs::IStorage::IsRangeValid(offset, size, bs_size), fs::ResultOutOfRange());
R_UNLESS(fs::IStorage::CheckAccessRange(offset, size, bs_size), fs::ResultOutOfRange());
return AlignmentMatchingStorageImpl::Write(this->base_storage, work_buf, sizeof(work_buf), DataAlign, BufferAlign, offset, static_cast<const char *>(buffer), size);
}
@ -115,7 +115,7 @@ namespace ams::fssystem {
/* Get the base storage size. */
s64 bs_size = 0;
R_TRY(this->GetSize(std::addressof(bs_size)));
R_UNLESS(fs::IStorage::IsOffsetAndSizeValid(offset, size), fs::ResultOutOfRange());
R_UNLESS(fs::IStorage::CheckOffsetAndSize(offset, size), fs::ResultOutOfRange());
/* Operate on the base storage. */
const auto valid_size = std::min(size, bs_size - offset);
@ -154,7 +154,7 @@ namespace ams::fssystem {
s64 bs_size = 0;
R_TRY(this->GetSize(std::addressof(bs_size)));
R_UNLESS(fs::IStorage::IsRangeValid(offset, size, bs_size), fs::ResultOutOfRange());
R_UNLESS(fs::IStorage::CheckAccessRange(offset, size, bs_size), fs::ResultOutOfRange());
/* Allocate a pooled buffer. */
PooledBuffer pooled_buffer;
@ -172,7 +172,7 @@ namespace ams::fssystem {
s64 bs_size = 0;
R_TRY(this->GetSize(std::addressof(bs_size)));
R_UNLESS(fs::IStorage::IsRangeValid(offset, size, bs_size), fs::ResultOutOfRange());
R_UNLESS(fs::IStorage::CheckAccessRange(offset, size, bs_size), fs::ResultOutOfRange());
/* Allocate a pooled buffer. */
PooledBuffer pooled_buffer;
@ -212,7 +212,7 @@ namespace ams::fssystem {
/* Get the base storage size. */
s64 bs_size = 0;
R_TRY(this->GetSize(std::addressof(bs_size)));
R_UNLESS(fs::IStorage::IsOffsetAndSizeValid(offset, size), fs::ResultOutOfRange());
R_UNLESS(fs::IStorage::CheckOffsetAndSize(offset, size), fs::ResultOutOfRange());
/* Operate on the base storage. */
const auto valid_size = std::min(size, bs_size - offset);
@ -257,7 +257,7 @@ namespace ams::fssystem {
s64 bs_size = 0;
R_TRY(this->GetSize(std::addressof(bs_size)));
R_UNLESS(fs::IStorage::IsRangeValid(offset, size, bs_size), fs::ResultOutOfRange());
R_UNLESS(fs::IStorage::CheckAccessRange(offset, size, bs_size), fs::ResultOutOfRange());
/* Allocate a pooled buffer. */
PooledBuffer pooled_buffer(this->data_align, this->data_align);
@ -294,7 +294,7 @@ namespace ams::fssystem {
/* Get the base storage size. */
s64 bs_size = 0;
R_TRY(this->GetSize(std::addressof(bs_size)));
R_UNLESS(fs::IStorage::IsOffsetAndSizeValid(offset, size), fs::ResultOutOfRange());
R_UNLESS(fs::IStorage::CheckOffsetAndSize(offset, size), fs::ResultOutOfRange());
/* Operate on the base storage. */
const auto valid_size = std::min(size, bs_size - offset);

10
libraries/libstratosphere/source/fs/fs_file_storage.cpp
View file

@ -33,7 +33,7 @@ namespace ams::fs {
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
R_UNLESS(IStorage::CheckAccessRange(offset, size, this->size), fs::ResultOutOfRange());
size_t read_size;
return this->base_file->Read(&read_size, offset, buffer, size);
@ -50,7 +50,7 @@ namespace ams::fs {
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
R_UNLESS(IStorage::CheckAccessRange(offset, size, this->size), fs::ResultOutOfRange());
return this->base_file->Write(offset, buffer, size, fs::WriteOption());
}
@ -83,7 +83,7 @@ namespace ams::fs {
return ResultSuccess();
}
R_TRY(this->UpdateSize());
R_UNLESS(IStorage::IsOffsetAndSizeValid(offset, size), fs::ResultOutOfRange());
R_UNLESS(IStorage::CheckOffsetAndSize(offset, size), fs::ResultOutOfRange());
return this->base_file->OperateRange(dst, dst_size, op_id, offset, size, src, src_size);
default:
return fs::ResultUnsupportedOperationInFileStorageA();
@ -121,7 +121,7 @@ namespace ams::fs {
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
R_UNLESS(IStorage::CheckAccessRange(offset, size, this->size), fs::ResultOutOfRange());
return ReadFile(this->handle, offset, buffer, size, fs::ReadOption());
}
@ -140,7 +140,7 @@ namespace ams::fs {
R_TRY(this->UpdateSize());
/* Ensure our access is valid. */
R_UNLESS(IStorage::IsRangeValid(offset, size, this->size), fs::ResultOutOfRange());
R_UNLESS(IStorage::CheckAccessRange(offset, size, this->size), fs::ResultOutOfRange());
return WriteFile(this->handle, offset, buffer, size, fs::WriteOption());
}

2
libraries/libstratosphere/source/fssystem/fssystem_alignment_matching_storage_impl.cpp
View file

@ -197,7 +197,7 @@ namespace ams::fssystem {
s64 bs_size = 0;
R_TRY(this->GetSize(std::addressof(bs_size)));
R_UNLESS(fs::IStorage::IsRangeValid(offset, size, bs_size), fs::ResultOutOfRange());
R_UNLESS(fs::IStorage::CheckAccessRange(offset, size, bs_size), fs::ResultOutOfRange());
/* Determine extents. */
const auto offset_end = offset + static_cast<s64>(size);

8
libraries/libstratosphere/source/fssystem/save/fssystem_integrity_verification_storage.cpp
View file

@ -86,7 +86,7 @@ namespace ams::fssystem::save {
R_UNLESS(offset <= data_size, fs::ResultInvalidOffset());
/* Validate the access range. */
R_UNLESS(IStorage::IsRangeValid(offset, size, util::AlignUp(data_size, static_cast<size_t>(this->verification_block_size))), fs::ResultOutOfRange());
R_UNLESS(IStorage::CheckAccessRange(offset, size, util::AlignUp(data_size, static_cast<size_t>(this->verification_block_size))), fs::ResultOutOfRange());
/* Determine the read extents. */
size_t read_size = size;
@ -164,8 +164,8 @@ namespace ams::fssystem::save {
R_SUCCEED_IF(size == 0);
/* Validate arguments. */
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::IsOffsetAndSizeValid(offset, size), fs::ResultInvalidOffset());
R_UNLESS(buffer != nullptr, fs::ResultNullptrArgument());
R_UNLESS(IStorage::CheckOffsetAndSize(offset, size), fs::ResultInvalidOffset());
/* Validate the offset. */
s64 data_size;
@ -173,7 +173,7 @@ namespace ams::fssystem::save {
R_UNLESS(offset < data_size, fs::ResultInvalidOffset());
/* Validate the access range. */
R_UNLESS(IStorage::IsRangeValid(offset, size, util::AlignUp(data_size, static_cast<size_t>(this->verification_block_size))), fs::ResultOutOfRange());
R_UNLESS(IStorage::CheckAccessRange(offset, size, util::AlignUp(data_size, static_cast<size_t>(this->verification_block_size))), fs::ResultOutOfRange());
/* Validate preconditions. */
AMS_ASSERT(util::IsAligned(offset, this->verification_block_size));